他们团结起来孤立侵略国。

They united to quarantine the aggressor nation.

国际社会必须对侵略国实行制裁.

The international community must apply sanctions against the aggressor country.

那个侵略国看起来是个庞然大物, 其实是纸老虎.

That Aggressor State , which looks like a huge monster, is in essence a paper tiger.